Yury Selivanov schrieb am 14.05.2016 um 23:31:
> Under some circumstances, in asyncio code that runs in uvloop [1],
> cython code segfaults in cython/Cython/Utility/Coroutine.c:
>
>
> static PyObject *
> __Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self)
> {
> Py_INCREF(self->gi_qualname);
> return self->gi_qualname;
> }
>
>
> "self->gi_qualname" can be NULL. The correct code is probably:
>
>
> __Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self)
> {
> if (self->gi_qualname == NULL) { return __pyx_empty_unicode; }
> Py_INCREF(self->gi_qualname);
> return self->gi_qualname;
> }
I wonder why it can be NULL. It's supposed to be set to a string constant
at creation time. See GeneratorDefNode in Nodes.py. Is there anything
special you are doing with these objects? Could you try to figure out how
the ones that have a NULL value here are created?
Stefan
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